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FYI, the mayfair aerator pumps really do need to be below the waterline to prime (scupper and moving forward is a good way to prime if mounted high). 1200gph is good, but Duffy who is a big surfer on WW, just put a manifold system and Rule 3800 aerator pumps in. He went with 1.5" throughulls. He's filling about 1800lbs in 4 minutes.

Last edited by sailing217; 06-23-2011 at 10:22 AM.
Reason: to tell about link about flow rate testing